Glossary
Cross-cutting term definitions (material-specific definitions live in Filaments).
Pillar summary
All glossary guides
3 pagesMost-read glossary guides
What filament is, and how FDM printers use it
A plain-language definition of 3D-printer filament: what it is made of, the common types, and how an FDM printer melts and lays it down.
What 3D printer filament is: the feedstock, the families, and the sizes
3D printer filament is the thermoplastic feedstock an FDM printer melts to build a part. A beginner orientation to the main families, how it is made, and the standard sizes.
3D printer filament: the six families and how to choose
3D printer filament explained: the six material families (PLA, PETG, ABS, ASA, TPU, nylon), how each prints, what each is good for, and how to choose for your part.
Related areas
How this pillar is maintained. Marqilo is organization-authored and AI-vetted. Pages list their sources and trust label, and carry a last-reviewed date. No sponsor bias, no filament-competitor citations.